Maintenance Information Ford Bronco IV

VIN LOCATION

The Vehicle Identification Number (VIN) is located on the left side of the dash panel at the base of the windshield. The VIN chart explains the code characters.

VIN CODE ID EXPLANATION

Numbers preceding the explanations in the legend below refer to the sequence of characters as listed on VIN identification label. See VIN example below.

VIN Code ID Explanation. Scheme 3

SEVERE & NORMAL SERVICE DEFINITIONS

Note. Use the Severe Service schedule if the vehicle to be serviced is operated under ANY (one or more) of these conditions

Service is recommended at mileage intervals based on vehicle operation. Service schedules are based on the following primary operating conditions

Severe Service

1. Short Trips (About 10 Miles) In Freezing Temperatures
2. Towing Or Heavily Loaded
3. Severe Dust Conditions
4. Hot Weather, Stop-And-Go Driving
5. Extensive Idling Conditions (Taxi Or Delivery Type Service)
6. Snow Plowing
7. High Speed Operation With Fully Loaded Vehicle

Normal Service

1. Driven More Than 10 Miles Daily
2. No Operating Conditions From Severe Service List

ADDITIONAL MAINTENANCE

Wheel lug nut torque, clutch fluid reservoir level, exhaust system shielding, automatic transmission fluid level, automatic shift linkage, front axle spindle pins, clutch release lever pivots, driveshaft U-joints and slip yoke, if equipped with fittings, should be serviced or inspected every 6 months or 7,500 miles.

REAR AXLE LUBRICATION

Rear axle lube quantities must be replaced every 100,000 miles, or if the axle has been submerged in water. Otherwise lube should not be checked unless a leak is suspected or repair required.

OFF-HIGHWAY VEHICLES

If vehicle is operated off-highway, perform the following items every 1,000 miles. If vehicle is operated in mud and/or water, perform the following items daily.

1. Lubricate Front Axle, Steering And Clutch Linkages, Axle And Driveshaft U-Joints, And Slip Yoke If Equipped With Fittings.
2. Lubricate Automatic Transmission External Controls (Cables).
3. Inspect Front Wheel Bearings And Lubrication.
4. Inspect Disc And Drum Brake Systems, Hoses And Lines, Lube Caliper Slide Rails.
5. Inspect Exhaust System For Leaks, Damage, Or Loose Parts And Remove Any Foreign Material Trapped By Shielding.
6. Lubricate Clutch Release Lever Pivot.

Scheme 4

Scheme 5

SERVICE LABOR TIMES

Note. For 1990 and newer vehicles, labor times are provided, where available, within appropriate SERVICE INTERVAL table in SCHEDULED SERVICES article.

TIRE INFLATION

Inflation pressure and recommended tire size can be found on the Safety Compliance Certification Label decal attached to the driver's door latch post pillar.

WHEEL TORQUE

WHEEL LUG NUT TORQUE SPECIFICATIONS

Note. If wheels are equipped with locking type lug nuts, ALWAYS position the keyed nut opposite the valve stem.

BATTERY SPECIFICATIONS

SUPPLEMENTAL AIR BAG SYSTEM

When performing maintenance on air bag equipped vehicles always observe proper safety precautions.

CHECKING AUTOMATIC TRANSMISSION FLUID

When checking the ATF always have the 4WD gear selector in any position other than neutral.

ANTI-LOCK BRAKE SYSTEM

On models with anti-lock brake systems, ALWAYS observe the following cautions

1. DO NOT attempt to bleed or add hydraulic fluid to system without first referring to the appropriate ANTI-LOCK BRAKE SYSTEM article in the BRAKES Section.
2. Use ONLY recommended brake fluids. DO NOT use silicone brake fluids in ABS-equipped vehicles.
3. DO NOT mix tire sizes. As long as tires remain close to the original diameter, increasing the width is acceptable. Rolling diameter must be identical on all 4 tires.

REPLACING BLOWN FUSES

BATTERY WARNING

BRAKE PAD WEAR INDICATOR

BRAKE PAD REPLACEMENT

CATALYTIC CONVERTER

COOLANT (PROPYLENE-GLYCOL FORMULATIONS)

To avoid possible damage to vehicle use only ethylene-glycol based coolants with a mixture ratio from 44-68% anti-freeze. DO NOT use 100% anti-freeze as it will cause the formation of cooling system deposits. This results in coolant temperatures of over 300° F (149°C) which can melt plastics. 100% anti-freeze has a freeze point of only -8° F (-22°C).

ELECTROSTATIC DISCHARGE SENSITIVE (ESD) PARTS

FUEL PUMP SHUTOFF SWITCH

This switch stops the flow of fuel to the engine after a collision. The impact does not have to be great to trigger the switch. To reset, press the white reset button on the switch located on the floorboard, to the left and above where the steering column passes through the floorboard.

FUEL SYSTEM SERVICE

HALOGEN BULBS

RADIATOR FAN

WARRANTY INFORMATION

BASIC NEW CAR LIMITED WARRANTY

All parts of the vehicle, except tires, are covered against defects in factory-supplied materials and workmanship for 12 months or 12,000 miles, whichever occurs first.

POWERTRAIN WARRANTY

Note. Powertrain Warranty varies in coverage length (either 4 years/50,000 miles or 6 years/60,000 miles) depending on model year.

Under this warranty, certain parts of the engine, transmission, axle and driveline are warranted against defects in materials and workmanship. This coverage begins after 12 months or 12,000 miles. See copy of warranty for specific components covered and length of coverage.

BUMPER-TO-BUMPER COVERAGE

All 1992-93 vehicles have complete warranty coverage against defects in materials and workmanship for 3 years or 36,000 miles, whichever occurs first. There is no deductible with this warranty. Items not covered include tires and parts that are subject to normal wear and tear, such as windshield wiper blades, brake linings, brake pads, clutch linings and scheduled maintenance items. There is no extended powertrain coverage included in this warranty.

BATTERY COVERAGE

Begins at warranty start date and lasts up to 3 years or 36,000 miles, whichever occurs first. For the first 12 months in service (less than 36,000 miles), battery will be replaced at no charge. After that, battery will be replaced on a customer-participation basis: For the 13th-24th month in service, Ford will pay 50%; for the 25th-36th month, Ford will pay 25%. Labor is covered for 3 years or 36,000 miles, whichever occurs first.

SAFETY RESTRAINT SYSTEM COVERAGE

Begins at warranty start date and lasts for 5 years or 50,000 miles, whichever occurs first. Covers safety restraint problems not related to comfort or appearance. Coverage for model years earlier than 1990 is 3 years with unlimited miles.

CORROSION COVERAGE

Begins at warranty start date and lasts for 6 years or 60,000 miles, whichever occurs first. 1992-93 models are covered for 6 years or 100,000 miles, whichever occurs first. Covers any holes in body sheet metal caused by corrosion.

EMISSIONS DEFECT & PERFORMANCE WARRANTIES (EXCEPT CALIFORNIA)

Defect Warranty ensures that vehicle meets applicable EPA regulations and that vehicle's emission control system is free from defects in materials and workmanship for a period of 5 years or 50,000 miles, whichever occurs first.

The Performance Warranty covers all costs of repairing or adjusting any components or parts as needed for the vehicle to pass a Federally required state or local emissions test.

Other emission control parts related to these components are covered by the Performance Warranty, where applicable. If another part fails due to the failure of one of these components, both parts are covered. See customer's copy of warranty information for specific items covered. Performance Warranty coverage is limited to fewer components after 2 years or 24,000 miles.

EMISSIONS PERFORMANCE WARRANTY (CALIFORNIA)

If vehicle fails a Smog Check inspection, all necessary repairs and adjustments will be made by manufacturer to ensure that vehicle passes the inspection. Warranty begins at warranty start date and lasts for a period of 3 years or 50,000 miles, whichever occurs first.

EMISSIONS DEFECT WARRANTY (CALIFORNIA)

If any emission-related part on the vehicle is defective, the part will be repaired or replaced by manufacturer. Warranty begins at warranty start date and lasts for a period of 3 years or 50,000 miles, whichever occurs first.

Some emission-related parts are warranted for 7 years or 70,000 miles whichever occurs first, and will be repaired or replaced by manufacturer if found to be defective in material or workmanship. See customer's copy of warranty information for specific items covered.

GVWR Over 8500 Lbs.

If an emission-related part on a vehicle with a GVWR over 8500 lbs. is defective, the part will be repaired or replaced by Ford Motor Co. for a period of 5 years or 50,000 miles, whichever occurs first.

FUSE PANEL LOCATION

The fuse panel is located on the instrument panel behind access door, to the left of the steering column.

Scheme 6

Fuse & Circuit Breaker Identification

1. 1 - 15 Amp (Lt. Blue) Stoplights, Hazard Lights
2. 2 - Not Used
3. 3 - Not Used
4. 4 - 15 Amp (Lt. Blue) Exterior Lights, Instrument Panel Illumination, Coil Feed, Headlamps On Warning Buzzer, Trailer Lamps Relay
5. 5 - 15 Amp (Lt. Blue) Turn Signals, Back-Up Lights
6. 6 - 15 Amp (Lt. Blue)p Clock, Speed Control, Accessories, 4WD Indicator Lamp Auxiliary Battery Relay, Rear Window Defroster Relay, Engine Solenoids
7. 7 - 20 Amp Rear Anti-Lock Brakes
8. 8 - 15 Amp (Lt. Blue) Courtesy Lamps, Dome Lights, Cargo Lamp, Glove Box Light Clock, Radio Memory, Underhood Lamp, Visibility Group
9. 9 - 30 Amp (Lt. Green) Heater & A/C-Heater Blower
10. 10 - 20 Amp (Yellow) Rear Wheel Anti-Lock Brakes
11. 11 - 15 Amp (Lt. Blue) Radio
12. 12 - 25 Amp (Clear) Power Tailgate Window (Key Switch)
13. 12 - 30 Amp (Circuit Breaker) Power Door Locks, Power Mirrors, Power Tailgate (Key Switch)
14. 12 - 25 Amp Transfer Case Control (1991)
15. 13 - 20 Amp (Yellow) Rear Anti-Lock Brakes
16. 14 - 30 Amp (Circuit Breaker) Power Windows, Power Tailgate Window (I.P. Switch)
17. 14 - 25 Amp Power Tailgate Window (Instrument Panel Switch)
18. 15 - Not Used Horn, Cigar Lighter
19. 17 - 5 Amp (Tan) Instrument Panel Illumination
20. 18 - 15 Amp (Lt. Blue) Warning Lamps, Seat Belt Buzzer, Tachometer Up-Shift Indicator Lamp (M/T)

Scheme 7

1. 1 - 30 Amp Heater A/C Blower
2. 2 - 8.25 Amp Wiper/Washer
3. 3 - Not Used
4. 4 - 15 Amp Warning Buzzer/Chime Module, Exterior, Lights, Instrument Illumination, Trailer Exterior Light Relay
5. 5 - Not Used
6. 6 - 15 Amp A/C Clutch
7. 7 - 15 Amp Turn Signal Lights, Rear Window Defrost
8. 8 - 15 Amp Courtesy, Dome & Cargo Lights, Electric Outside Mirrors, Radio/Clock Memory, Speedometer Memory, Warning Buzzer/Chime Module
9. 9 - 15 Amp Power Point
10. 10 - 4 Amp Instrument Panel Illumination
11. 11 - 15 Amp Radio, Radio Display Dimmer
12. 12 - 20 Amp Power Lumbar, Power Door Locks, Electronic Shift Motor 4WD, Key Switch & Tailgate Power, Window
13. 13 - 15 Amp Stoplights, Hazard Lights, Keep Alive Memory Power (F-Series Only), Electronic Engine Control, Speed Control, Anti-Lock Brakes, Stop Sense For: Anti-Lock Brakes & Electronic Engine Control
14. 14 - 20 Amp Power Windows, Tailgate Power Window, Instrument Panel Switch
15. 15 - 20 Amp Anti-Lock Brakes (F-Series Only)
16. 16 - 15 Amp Cigarette Lighter
17. 17 - 10 Amp Warning Buzzer/Chime Module, Warning Indicators, Gauges, Tachometer, Transmission, Control Switch & Indicator Light
18. 18 - 10 Amp Speed Control (F-Series), Electronic Shift Module 4WD, Speedometer